National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Greenville (KGNR)

Lat: 45.46°NLon: 69.55°WElev: 1394ft.

60°F

16°C

Humidity 100%
Wind Speed N 5 mph
Barometer 29.88 in (1011.7 mb)
Dewpoint 60°F (16°C)
Visibility NA
Last update 18 Aug 4:56 am EDT
Extended Forecast for

Greenville ME

  • Overnight

    Overnight: Isolated showers. Cloudy, with a low around 60. Light north wind. Chance of precipitation is 20%.

    Low: 60 °F

    Isolated
    Showers

  • Tuesday

    Tuesday: Scattered showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Light and variable wind. Chance of precipitation is 40%.

    High: 72 °F

    Isolated
    Showers then
    Scattered
    T-storms

  • Tuesday Night

    Tuesday Night: Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.

    Low: 59 °F

    Isolated
    T-storms then
    Isolated
    Showers

  • Wednesday

    Wednesday: Partly sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.

    High: 76 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Isolated showers before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.

    Low: 57 °F

    Isolated
    Showers then
    Patchy Fog

  • Thursday

    Thursday: Mostly sunny, with a high near 74. Northwest wind 3 to 5 mph.

    High: 74 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 54. Calm wind.

    Low: 54 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 75.

    High: 75 °F

    Sunny

  • Friday Night

    Friday Night: Mostly clear, with a low around 55.

    Low: 55 °F

    Mostly Clear

Detailed Forecast

Overnight
Isolated showers. Cloudy, with a low around 60. Light north wind. Chance of precipitation is 20%.
Tuesday
Scattered showers, with thunderstorms also possible after 1pm. Mostly cloudy, with a high near 72. Light and variable wind. Chance of precipitation is 40%.
Tuesday Night
Isolated showers and thunderstorms before 8pm, then isolated showers between 8pm and 2am. Mostly cloudy, with a low around 59. Calm wind. Chance of precipitation is 20%.
Wednesday
Partly sunny, with a high near 76. Calm wind becoming southwest 5 to 7 mph in the afternoon.
Wednesday Night
Isolated showers before 10pm. Patchy fog after 4am. Otherwise, partly cloudy, with a low around 57. Calm wind. Chance of precipitation is 20%.
Thursday
Mostly sunny, with a high near 74. Northwest wind 3 to 5 mph.
Thursday Night
Partly cloudy, with a low around 54. Calm wind.
Friday
Sunny, with a high near 75.
Friday Night
Mostly clear, with a low around 55.
Saturday
Mostly sunny, with a high near 74.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Sunday
Showers likely. Mostly cloudy, with a high near 70. Chance of precipitation is 60%.
Sunday Night
Showers and thunderstorms likely. Mostly cloudy, with a low around 56. Chance of precipitation is 60%.
Monday
Showers and thunderstorms likely. Partly sunny, with a high near 70. Chance of precipitation is 60%.
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ABOUT THIS FORECAST

 
Point Forecast:
Greenville ME
 45.47°N 69.58°W (Elev. 1178 ft)
Last Update:
4:14 am EDT Aug 18, 2026
Forecast Valid:
5am EDT Aug 18, 2026-6pm EDT Aug 24, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation